DEPM 2746 - PARENT - 421 Hudson Street
Multifamily Housing in New York City, NY · 421 Hudson Street · 10014
At a glance
DEPM 2746 - PARENT - 421 Hudson Street is a 245,500-square-foot multifamily housing building in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 23 out of 100 (grade D), a site energy-use intensity of 65.1 kBtu/ft² and 1,455 tCO₂e of greenhouse-gas emissions. That score is higher than 13% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 23 (band D) |
| Site EUI | 65.1 kBtu/ft² |
| Source EUI | 138.1 kBtu/ft² |
| GHG emissions | 1,455 tCO₂e |
| GHG intensity | 5.9 kgCO₂e/ft² |
| Electricity | 2,866,685 kWh |
| Natural gas | 62,063 therms |
| Water use | 10,338 kgal |
| Gross floor area | 245,500 sq ft |
| Source record | nyc:4950962:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 23 | -31 | 65.1 kBtu/ft² | 1,455 tCO₂e |
| 2023 | 54 | +6 | 52.9 kBtu/ft² | 1,336 tCO₂e |
| 2022 | 48 | 62.0 kBtu/ft² | 1,309 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 421 Hudson Street
- City
- New York City
- State
- New York
- ZIP
- 10014
- Coordinates
- 40.73006, -74.00689
Within ~1 km
Nearby benchmarked buildings
- 550 Washington Streetscore 89
Office · 1,138,018 sq ft
Office · 987,755 sq ft
- 375 Hudson (363 HUDSON STREET)score 92
Office · 885,326 sq ft
Office · 856,538 sq ft
- 395 Hudson New York LLCscore 93
Office · 731,175 sq ft
- DEPM 1596 - 155 West 11th Streetscore 13
Multifamily Housing · 712,101 sq ft
See also: most efficient in New York City · biggest emitters
How does DEPM 2746 - PARENT - 421 Hudson Street compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. DEPM 2746 - PARENT - 421 Hudson Street's ENERGY STAR score of 23 compares with an average of 63 across the 22,829 that report a score; it scores higher than 13% of them and lower than 86%. Its site EUI of 65.1 kBtu/ft² is about 13% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.9 kgCO₂e/ft² is about 14% above the group average of 5.2 kgCO₂e/ft².
At 245,500 sq ft, it is about 143% above the average floor area of 100,951 sq ft for those buildings. It was built in 1920, 32 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has DEPM 2746 - PARENT - 421 Hudson Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for DEPM 2746 - PARENT - 421 Hudson Street, covering report years 2022–2024. Its ENERGY STAR score went from 48 in 2022 to 23 in 2024 (-25 points); its best year on file was 2023, at 54. Site EUI moved from 62.0 kBtu/ft² (2022) to 65.1 kBtu/ft² (2024), an 5% increase. Reported emissions went from 1,309 tCO₂e to 1,455 tCO₂e over the same span (up 11%).
What does an ENERGY STAR score of 23 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. DEPM 2746 - PARENT - 421 Hudson Street's 65.1 kBtu/ft² across 245,500 sq ft works out to about 16 billion Btu (4,684 MWh-equivalent) in 2024. Its source EUI of 138.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,866,685 kWh of electricity, 62,063 therms of natural gas and 10,338 thousand gallons of water for the year.
Which law requires DEPM 2746 - PARENT - 421 Hudson Street to report its energy use?
DEPM 2746 - PARENT - 421 Hudson Street reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:4950962:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
More multifamily housing buildings in New York City
- 200 East 32nd Street-The Future Condominium· 245,496 sq ft · score 90 (A)
- Halstead - 500 Park Avenue - RES - CHILD· 245,468 sq ft · score 1 (D)
- 500 Park Avenue (Multifamily V2)· 245,468 sq ft · score 99 (A)
- BEACH 41ST STREET-BEACH CHANNEL DRIVE - Buildings 3&4· 245,250 sq ft · EUI 6.5 kBtu/ft²
- 333 East 91st Street· 245,213 sq ft
- Compass V· 245,164 sq ft · score 80 (B)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is DEPM 2746 - PARENT - 421 Hudson Street's energy grade?
DEPM 2746 - PARENT - 421 Hudson Street scores 23 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does DEPM 2746 - PARENT - 421 Hudson Street use?
Its 2024 site energy-use intensity was 65.1 kBtu/ft² (138.1 kBtu/ft² source) across 245,500 sq ft, including 2,866,685 kWh of electricity and 62,063 therms of natural gas.
What are DEPM 2746 - PARENT - 421 Hudson Street's carbon emissions?
DEPM 2746 - PARENT - 421 Hudson Street reported 1,455 tCO₂e of greenhouse-gas emissions (5.9 kgCO₂e/ft²) for 2024.
Where is DEPM 2746 - PARENT - 421 Hudson Street?
DEPM 2746 - PARENT - 421 Hudson Street is in New York City, New York 10014. Its coordinates are 40.73006, -74.00689 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is DEPM 2746 - PARENT - 421 Hudson Street and when was it built?
DEPM 2746 - PARENT - 421 Hudson Street has 245,500 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as multifamily housing.
Is DEPM 2746 - PARENT - 421 Hudson Street covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “DEPM 2746 - PARENT - 421 Hudson Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/depm-2746-parent-421-hudson-street-7efd5f88 (data as of October 2, 2026).